package LoginUp;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

/**
 * 重置用户密码
 */

public class changePassWd extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //设置服务器端以UTF-8编码进行输出
        resp.setCharacterEncoding("UTF-8");
        //设置浏览器以UTF-8编码进行接收,解决中文乱码问题
        resp.setContentType("text/html;charset=UTF-8");
        PrintWriter out = resp.getWriter();
        String user = req.getParameter("username");
        String passwd = req.getParameter("passwd");
        try {
            try {
                System.out.println("here");
                String url = "jdbc:sqlserver://localhost:1433;DataBaseName=Login;integratedSecurity=true;";
                Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
                Connection comm = DriverManager.getConnection(url);
//                String sql = "INSERT into [user] (username,password) VALUES ('"+username+"','"+passwd+"')";
                String sql = "update [user] set password='" + passwd + "' where username='" + user + "'";
                Statement st = comm.createStatement();
                int temp = st.executeUpdate(sql);
                System.out.println(temp);
                st.close();
                comm.close();
                out.println("更改成功，请重新登陆");
                resp.setHeader("refresh", "3,http://localhost:8080/javaWeb_war_exploded/tijiao.jsp");
                System.out.println("b");
//                System.out.println("a");
//                Statement st = comm.createStatement();
//                //5 执行sql语句
//                int temp =st.executeUpdate(sql);
//                System.out.println("返回的值："+temp);
//                //6 关闭sql对象
//                st.close();
//                //7 关闭连接
//                comm.close();
//                out.println("注册成功！，将在3s内返回登陆页面。");
//                resp.setHeader("refresh","3,http://localhost:8080/javaWeb_war_exploded/tijiao.jsp");
//
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
